Quick fix removing multi node support

[semabtariq1]

NOT YET READY FOR MERGE

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[tomchon]

it's the same issue for me . docs set the limited in latest version: "TimescaleDB v2.13 is the last release that includes multi-node support for PostgreSQL versions 13, 14, and 15."

[tomchon]

but when i use timescaledb-2.13.0 on psql-14.15 ，error message has already been reported ：
ERROR: function create_hypertable(regclass, name, replication_factor => unknown, chunk_time_interval => bigint, create_default_indexes => boolean) does not exist (SQLSTATE 42883)

[tomchon]

but when i use timescaledb-2.13.0 on psql-14.15 ，error message has already been reported ： ERROR: function create_hypertable(regclass, name, replication_factor => unknown, chunk_time_interval => bigint, create_default_indexes => boolean) does not exist (SQLSTATE 42883)

i know the reason，when i DOWNGRADED package from 2.17 to 2.13 ，it should use “ --allow-downgrades “ to DOWNGRADED:
apt install timescaledb-2-loader-postgresql-14='2.13.0*' --allow-downgrades -y